CA 19-9, CSF

Test Code

17417

CPT Codes
86301

Preferred Specimen

3 mL CSF in a sterile transport tube

Minimum Volume

2 mL

Transport Temperature

Frozen

Specimen Stability

Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Received room temperature

Methodology
Immunoassay (IA)

Setup Schedule

Set up: Wed; Report available: 2-9 days

Reference Range

<6 U/mL

Clinical Significance

CA 19-9 may be useful in the investigation of malignancy

Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130

Last Updated: November 6, 2024

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.